20397384

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{40471}}^1$

素因数の和:40490

約数の個数: 48

約数和(自身を含む): 63136320

約数和(自身を除く): 42738936

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 56, 63, 72, 84, 126, 168, 252, 504, 40471, 80942, 121413, 161884, 242826, 283297, 323768, 364239, 485652, 566594, 728478, 849891, 971304, 1133188, 1456956, 1699782, 2266376, 2549673, 2913912, 3399564, 5099346, 6799128, 10198692, 20397384]

約数ペア:

[(1, 20397384), (2, 10198692), (3, 6799128), (4, 5099346), (6, 3399564), (7, 2913912), (8, 2549673), (9, 2266376), (12, 1699782), (14, 1456956), (18, 1133188), (21, 971304), (24, 849891), (28, 728478), (36, 566594), (42, 485652), (56, 364239), (63, 323768), (72, 283297), (84, 242826), (126, 161884), (168, 121413), (252, 80942), (504, 40471)]